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Perception of fast time fluctuations in the sound level by persons with a cochlear implant

Kwiatkowski R., Hojan E., Szyfter W., Furmann A., Hojan-Jezierska D.

Archives of Acoustics

2008

Vol. 33, No. 4

423-434

The paper presents results of scaling of loudness changes of natural sounds for persons with a cochlear implant by the so-called NSLE method. The possibilities of the use of this method of loudness scaling of natural sounds in the rehabilitation of persons with a cochlear implant have been analysed.

Attributes of desirable acoustic environments in some rooms

Berglund B., Hojan E., Furmann A., Sworek K.

Archives of Acoustics

2002

Vol. 27, no. 3

249-255

Normal hearing native Polish speaking subjects were asked to choose attributes of a desirable acoustic environment, which were presented in a list. The subjects were asked to describe the attributes that would be desirable while listening to a lecture hall, reading a book in a living room and listening to a musical performance in concert hall. Results indicate that the methods used to derive the attributes is valid, that women apply more and slightly different attributes then men and some attributes are uniformly used across the environments tested.

Subjective evaluation of sound emitted by a loudspeaker system in correlation with its steady-state and transient responses

Niewiarowicz M., Furmann A., Hojan E., Perz P.

Archives of Acoustics

1998

Vol. 23, no. 1

39--49

Objective parameters of a loudspeaker system, which describe its transmission properties in a transient- and steady-state, have been determined. These parameters have been related to the attributes of the sound perception space (fullness, clearness, sharpness, spaciousness, loudness, lack of distortions) with respect to the overall subjective evaluation and the parametric one. A good correlation between sharpness, fullness, spaciousness and selected objective parameters have been obtained. An influence of the test signal on the results of the subjective evaluation was also discovered.